GROVE, Okla. (KFSM/AP) - Two University of Arkansas students were killed in a boat crash Tuesday eveningin Oklahoma, according to KOTV in Tulsa.

Rachel Swetnam, of Grove, Okla., and William Lewis "Trey" Varner, III, of Texarkana, Ark., were killed when a 22-foot Cobalt ski boatcollided with a large empty houseboat docked in a marina at Arrowhead Yacht Club.

The Grand River Dam Authority says the collision happened Tuesday afternoon on Grand Lake. Spokesman Justin Alberty says the ski boat was carrying eight people when it collided with the empty houseboat that was docked.

Alberty says Swetnam and Varnerwere in the front of the ski boat; four others were taken to a hospital in Vinita.

GRDA Assistant General Manager Brian Edwards tells Tulsa television station KOTV that the ski boat was traveling fast, causing a "substantial, violent impact."

Dean of students Danny Pugh released this statement today, on behalf of the University of Arkansas: "We are shocked and saddened by news that two University of Arkansas students were killed in a boating accident in Oklahoma on Tuesday evening. We are keeping the families and friends of these students in our hearts during this difficult time, and express our deepest condolences. These students will be greatly missed by the U of A community."